Hi,
I uploaded a new beta. In the process of cleanup I kicked out some of
the supp-* modules, most noticeably the visual debugger. That one has
been replaced by another mechanism and a merge of some functionality
already present in modules (and more might be moved into it).
As they are often used for testing, \ruledhbox, \ruledvbox and
\ruledvtop remained and all the others have been replaced by
placeholders (and might go away). The \show* commands are mostly dummies
(and will disappear) but these remain:
\showmakeup
\showallmakeup
\showstruts
\showglyphs
Hopefully this doesn't spoil your playing with low level tex stuff.
The good news is that the current implementation provides more detail,
is more colorful, and comes on (pdf) layers (so that you can hide
categories).
\showallmakeup
\starttext
\ruledhbox{hbox} \blank
\ruledvbox{vbox} \blank
\ruledvtop{vtop} \blank
{\definedfont[Serif*default at 30pt] g ff} \blank
test \strut test \blank
\input ward \par
\stoptext
You can use \enabletrackers[visualizer.*] with * being
fontkern, kern, glue, penalty, hbox, vbox, all, reset, makeup, whatsit,
and glyph.
Hans
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